81624504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{607}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 220631040

約数和(自身を除く): 139006536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 431, 607, 862, 1214, 1293, 1724, 1821, 2428, 2586, 3448, 3642, 4856, 5172, 5603, 7284, 7891, 10344, 11206, 14568, 15782, 16809, 22412, 23673, 31564, 33618, 44824, 47346, 63128, 67236, 94692, 134472, 189384, 261617, 523234, 784851, 1046468, 1569702, 2092936, 3139404, 3401021, 6278808, 6802042, 10203063, 13604084, 20406126, 27208168, 40812252, 81624504]

約数ペア:

[(1, 81624504), (2, 40812252), (3, 27208168), (4, 20406126), (6, 13604084), (8, 10203063), (12, 6802042), (13, 6278808), (24, 3401021), (26, 3139404), (39, 2092936), (52, 1569702), (78, 1046468), (104, 784851), (156, 523234), (312, 261617), (431, 189384), (607, 134472), (862, 94692), (1214, 67236), (1293, 63128), (1724, 47346), (1821, 44824), (2428, 33618), (2586, 31564), (3448, 23673), (3642, 22412), (4856, 16809), (5172, 15782), (5603, 14568), (7284, 11206), (7891, 10344)]